356 lines
8.9 KiB
C#
356 lines
8.9 KiB
C#
/*
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* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the <organization> nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.IO;
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using OpenSim.GridServers;
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using libsecondlife;
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using Db4objects.Db4o;
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using Db4objects.Db4o.Query;
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namespace LocalGridServers
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{
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/// <summary>
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///
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/// </summary>
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///
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public class LocalGridPlugin : IGridPlugin
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{
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public LocalGridPlugin()
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{
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}
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public IGridServer GetGridServer()
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{
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return(new LocalGridServer());
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}
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}
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public class LocalAssetPlugin : IAssetPlugin
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{
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public LocalAssetPlugin()
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{
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}
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public IAssetServer GetAssetServer()
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{
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return(new LocalAssetServer());
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}
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}
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public class LocalAssetServer : IAssetServer
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{
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private IAssetReceiver _receiver;
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private BlockingQueue<ARequest> _assetRequests;
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private IObjectContainer db;
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private Thread _localAssetServerThread;
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public LocalAssetServer()
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{
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this._assetRequests = new BlockingQueue<ARequest>();
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ServerConsole.MainConsole.Instance.WriteLine("Local Asset Server class created");
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try
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{
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db = Db4oFactory.OpenFile("assets.yap");
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ServerConsole.MainConsole.Instance.WriteLine("Db4 Asset database creation");
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}
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catch(Exception e)
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{
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db.Close();
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ServerConsole.MainConsole.Instance.WriteLine("Db4 Asset server :Constructor - Exception occured");
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ServerConsole.MainConsole.Instance.WriteLine(e.ToString());
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}
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this.SetUpAssetDatabase();
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this._localAssetServerThread = new Thread(new ThreadStart(RunRequests));
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this._localAssetServerThread.IsBackground = true;
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this._localAssetServerThread.Start();
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}
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public void SetReceiver(IAssetReceiver receiver)
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{
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this._receiver = receiver;
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}
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public void RequestAsset(LLUUID assetID, bool isTexture)
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{
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ARequest req = new ARequest();
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req.AssetID = assetID;
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req.IsTexture = isTexture;
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this._assetRequests.Enqueue(req);
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}
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public void UpdateAsset(AssetBase asset)
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{
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}
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public void UploadNewAsset(AssetBase asset)
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{
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}
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public void SetServerInfo(string ServerUrl, string ServerKey)
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{
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}
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public void Close()
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{
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if(db != null)
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{
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Console.WriteLine("Closing local Asset server database");
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db.Close();
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}
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}
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private void RunRequests()
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{
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while(true)
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{
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byte[] idata = null;
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bool found = false;
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AssetStorage foundAsset =null;
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ARequest req = this._assetRequests.Dequeue();
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IObjectSet result = db.Query(new AssetUUIDQuery(req.AssetID));
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if(result.Count>0)
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{
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foundAsset = (AssetStorage) result.Next();
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found = true;
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}
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AssetBase asset = new AssetBase();
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if(found)
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{
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asset.FullID = foundAsset.UUID ;
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asset.Type = foundAsset.Type;
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asset.InvType = foundAsset.Type;
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asset.Name = foundAsset.Name;
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idata = foundAsset.Data;
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}
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else
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{
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asset.FullID = LLUUID.Zero;
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}
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asset.Data = idata;
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_receiver.AssetReceived(asset, req.IsTexture );
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}
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}
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private void SetUpAssetDatabase()
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{
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Console.WriteLine("setting up Asset database");
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AssetBase Image = new AssetBase();
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Image.FullID = new LLUUID("00000000-0000-0000-9999-000000000001");
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Image.Name = "test Texture";
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this.LoadAsset(Image, true, "testpic2.jp2");
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AssetStorage store = new AssetStorage();
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store.Data = Image.Data;
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store.Name = Image.Name;
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store.UUID = Image.FullID;
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db.Set(store);
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db.Commit();
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Image = new AssetBase();
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Image.FullID = new LLUUID("00000000-0000-0000-9999-000000000002");
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Image.Name = "test Texture2";
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this.LoadAsset(Image, true, "map_base.jp2");
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store = new AssetStorage();
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store.Data = Image.Data;
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store.Name = Image.Name;
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store.UUID = Image.FullID;
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db.Set(store);
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db.Commit();
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Image.FullID = new LLUUID("00000000-0000-0000-5005-000000000005");
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Image.Name = "Prim Base Texture";
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store = new AssetStorage();
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store.Data = Image.Data;
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store.Name = Image.Name;
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store.UUID = Image.FullID;
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db.Set(store);
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db.Commit();
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Image = new AssetBase();
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Image.FullID = new LLUUID("66c41e39-38f9-f75a-024e-585989bfab73");
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Image.Name = "Shape";
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this.LoadAsset(Image, false, "base_shape.dat");
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store = new AssetStorage();
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store.Data = Image.Data;
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store.Name = Image.Name;
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store.UUID = Image.FullID;
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db.Set(store);
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db.Commit();
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}
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private void LoadAsset(AssetBase info, bool image, string filename)
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{
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//should request Asset from storage manager
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//but for now read from file
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string dataPath = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory ,"assets"); //+ folder;
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string fileName = Path.Combine(dataPath, filename);
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FileInfo fInfo = new FileInfo(fileName);
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long numBytes = fInfo.Length;
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FileStream fStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
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byte[] idata = new byte[numBytes];
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BinaryReader br = new BinaryReader(fStream);
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idata= br.ReadBytes((int)numBytes);
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br.Close();
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fStream.Close();
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info.Data = idata;
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//info.loaded=true;
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}
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}
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public class LocalGridServer :IGridServer
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{
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public List<Login> Sessions = new List<Login>();
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public LocalGridServer()
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{
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Sessions = new List<Login>();
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ServerConsole.MainConsole.Instance.WriteLine("Local Grid Server class created");
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}
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public bool RequestConnection()
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{
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return true;
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}
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public AuthenticateResponse AuthenticateSession(LLUUID sessionID, LLUUID agentID, uint circuitCode)
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{
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//we are running local
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AuthenticateResponse user = new AuthenticateResponse();
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lock(this.Sessions)
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{
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for(int i = 0; i < Sessions.Count; i++)
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{
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if((Sessions[i].Agent == agentID) && (Sessions[i].Session == sessionID))
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{
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user.Authorised = true;
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user.LoginInfo = Sessions[i];
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}
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}
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}
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return(user);
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}
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public bool LogoutSession(LLUUID sessionID, LLUUID agentID, uint circuitCode)
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{
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return(true);
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}
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public UUIDBlock RequestUUIDBlock()
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{
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UUIDBlock uuidBlock = new UUIDBlock();
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return(uuidBlock);
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}
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public void RequestNeighbours()
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{
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return;
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}
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public void SetServerInfo(string ServerUrl, string ServerKey)
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{
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}
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public void Close()
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{
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}
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/// <summary>
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/// used by the local login server to inform us of new sessions
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/// </summary>
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/// <param name="session"></param>
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public void AddNewSession(Login session)
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{
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lock(this.Sessions)
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{
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this.Sessions.Add(session);
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}
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}
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}
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public class BlockingQueue< T > {
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private Queue< T > _queue = new Queue< T >();
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private object _queueSync = new object();
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public void Enqueue(T value)
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{
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lock(_queueSync)
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{
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_queue.Enqueue(value);
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Monitor.Pulse(_queueSync);
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}
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}
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public T Dequeue()
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{
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lock(_queueSync)
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{
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if( _queue.Count < 1)
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Monitor.Wait(_queueSync);
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return _queue.Dequeue();
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}
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}
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}
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public class AssetUUIDQuery : Predicate
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{
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private LLUUID _findID;
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public AssetUUIDQuery(LLUUID find)
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{
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_findID = find;
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}
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public bool Match(AssetStorage asset)
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{
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return (asset.UUID == _findID);
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}
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}
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public class AssetStorage
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{
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public byte[] Data;
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public sbyte Type;
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public string Name;
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public LLUUID UUID;
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}
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}
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